ALT + N M L L On the Home screen Switches the signal strength from bars to a numeric value.

ALT + L G L G On the Home screen Displays the Java™ event log.

ALT + V I E W In an open message, or in an open personal information management (PIM) itemFor messages, displays the RefId and FolderId for that particular message.For PIM items, displays only the RefId.

from the Options menu, type the following (No ALT+ required)RSET - Will prompt to erase & reload for a reload of the Address book from the BES(n.b. this will wipe all entries, but you can goto SIM Phone Book & copy entries back afterwards)